i have a 7960 Ip phone and a pc connected on its access port. All i want to use QoS in order to give priority to voice traffic, so i made this configuration for one interface and i would like to know if it has a meaning(3500XL switch) ...
switchport access vlan 10
switchport voice vlan 20
switchport mode trunk
switchport trunk encapsulation dot1q
switchport trunk native vlan 10
mls qos trust cos